How to use

SerialHystrixRequestEvents

in

com.netflix.hystrix.serial

  @Override
  public String call(HystrixRequestEvents requestEvents) {
    return SerialHystrixRequestEvents.toJsonString(requestEvents);
  }
}), pausePollerThreadDelayInMs);

public static String toJsonString(HystrixRequestEvents requestEvents) {
  StringWriter jsonString = new StringWriter();
  try {
    JsonGenerator json = jsonFactory.createGenerator(jsonString);
    serializeRequestEvents(requestEvents, json);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
  return jsonString.getBuffer().toString();
}

private static void serializeRequestEvents(HystrixRequestEvents requestEvents, JsonGenerator json) {
  try {
    json.writeStartArray();
    for (Map.Entry<HystrixRequestEvents.ExecutionSignature, List<Integer>> entry: requestEvents.getExecutionsMappedToLatencies().entrySet()) {
      convertExecutionToJson(json, entry.getKey(), entry.getValue());
    }
    json.writeEndArray();
    json.close();
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}